US855356A - Shuttle-changing loom with swinging front-plate for the shuttle-box. - Google Patents

Shuttle-changing loom with swinging front-plate for the shuttle-box. Download PDF

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Publication number
US855356A
US855356A US30485306A US1906304853A US855356A US 855356 A US855356 A US 855356A US 30485306 A US30485306 A US 30485306A US 1906304853 A US1906304853 A US 1906304853A US 855356 A US855356 A US 855356A
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Prior art keywords
shuttle
plate
front
box
loom
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Expired - Lifetime
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US30485306A
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Edward S Stimpson
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Draper Co
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D45/00Looms with automatic weft replenishment
    • D03D45/34Shuttle changing

Description

No. 855,856. PATENTED MAY 28, 1907. E. s. STIMPSON. SHUTTLE CHANGING LOOM WITH SWINGING FRONT PLATE FOR THE SHUTTLE BOXL APPLICATION FILE!) MARJa, 190s.

FIG]. FIG-.2. F y 1 m &0

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UNITED STATES PATENT OFFICE.

EDWARD S. STIMPSON, OF HOPEDALE, MASSACHUSETTS, ASSIGN OR TO DRAPER COMPANY, OF PORTLAND, MAINE, A CORPORATION OF MAINE.

SHUTTLE-CHANGING LOOM WITH SWINGING FRONT-PLATE FOR THE SHUTTLE-BOX.

Specification of Letters Patent.

Patented May 28, 1907.

Application filed March 8, 1906. Serial No. 304,853-

T0 ctZZ whom it may concern:

Be it known that I, EDWARD S. STIMPSON, of I-Iopedale, in the county of l/Vorcester and State of Massachusetts, have invented certain new and useful Improvements in Automatic Shuttle-Changing Looms with Swinging Front-Plates for the Shuttle-Boxes, of which the following is a specification.

In automatic weft replenishing looms wherein the weft replenishment is accomplished by discharging the spent shuttle and inserting a fresh shuttle, it is a customary plan to move the front-plate of the shuttlebox at the supply side of the loom upwardly so as to permit the insertion of the fresh shuttle by a substantially horizontal movement into the then open shuttle-box; and, after the fresh shuttle has thus been put into place, the front-plate descends into normal position, thus closing the shuttle-box, and the fresh shuttle is then in position to proceed with the weaving operations. In such looms, the fresh shuttle may not be inserted accurately into place on the race-plate of the lay and this defective position of the shuttle is enhanced in case the usual rear binder is being pressed forwardly by its usual spring at the time the fresh shuttle is inserted. The object of the present invention is to enable the front-plate of the shuttle-box to properly descend into place in case the fresh shuttle is not accurately located on the race-plate of the lay and at the same time to force the shuttle into its proper position ready to be picked through the shed.

In carrying out the object of this invention a swinging front-plate for the shuttlebox at the supply side of the loom is provided, this swinging front-plate swinging fore and aft as well as up and down during its movements in opening and closing the shuttle-box. Such swinging front-plates have heretofore been used, but they have been arranged so that they provide only for a comparatively small displacement of the inserted shuttle and hence have been provided with springs for closing them in order that no damage should. be done in case of a badly misplaced shuttle. In accordance with the present in vention, the front-plate is swung positively in both directions and it has such an extended fore and aft swing as to provide for all contingencies in the misplacement of the inserted shuttle.

The present improvements are illustrated in the accompanying drawings, in which Figure 1, is an end view of a lay at the supply side of the loom, so much of the other parts of the loom being shown as will enable the invention to be clearly understood. Fig. 2, is a vertical cross-section of the shuttlebox at the supply side of the loom.

A, is the lay B, is the front-plate of the shuttlebox; O, is the rear of the shuttle-box constituted in this instance by a usual binder; D, is the top-plate of the shuttlebox; and E, is'the race-plate. The frontplate is secured to arms F, F, which swing on a horizontal axis G. A rearwardly extending arm moving with the front arms F, F, has pivoted to it at the rear a link I. This link I, at its lower end is pivotally connected to a lever J, pivoted at K. This lever has a roll L, which occupies a closed cam groove M, in the face of a cam wall O, secured to a shaft P. This shaft is a change-shaft of well known character. This change-shaft is set into rotation whenever a change of shuttles is to be effected. It is obvious that with the closed cam groove M, the front-plate B, will be positively swung in both directions. To enable the front-plate to have an adequate fore and aft movement in raising and lowering, the axis G, on which the front-plate swings is carried well up and forward. As illustrated, this axis is parallel with the length of the lay and is above the rear plate of the shuttlebox. Fig. 2, shows the front-plate open in position for a shuttle Q, to be inserted. As

ere shown, the front-plate is well forward of the shuttle and the lower edge of the frontplate is forward of the front edge of the raceplate. Hence, if the shuttle remains on the race-plate at all, the front-plate in descending will encounter the shuttle and shove it back against the binder.

I claim 1. An automatic shuttle-changing loom having, in combination, a front-plate for the shuttle-box at the supply side of the loom which swings both up and down and fore and aft, and positive means for swinging the front-plate in both directions.

2. An automatic shuttle-changing loom having, in combination, a front-plate for the shuttle-box at the supply side of the loom which swings up and down and fore and aft on a horizontal axis substantially parallel with the length of the lay, said axis being In witness whereof, I have hereunto signed over the rear plate of the shuttle-box and my name 1n the presence of two subscribing sufliciently forward to enable the lower rear Witnesses.

edge of the front-plate when elevated to be EDWARD S. STIMPSON. 5 forward of the front edge of the race-plate of Witnesses:

the lay, and means for positively moving said GEORGE OTIS DRAPER,

front-plate in both directions. ERNEST W. WOOD.

US30485306A 1906-03-08 1906-03-08 Shuttle-changing loom with swinging front-plate for the shuttle-box. Expired - Lifetime US855356A (en)

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US30485306A US855356A (en) 1906-03-08 1906-03-08 Shuttle-changing loom with swinging front-plate for the shuttle-box.

Applications Claiming Priority (1)

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US30485306A US855356A (en) 1906-03-08 1906-03-08 Shuttle-changing loom with swinging front-plate for the shuttle-box.

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US30485306A Expired - Lifetime US855356A (en) 1906-03-08 1906-03-08 Shuttle-changing loom with swinging front-plate for the shuttle-box.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090314274A1 (en) * 2004-09-27 2009-12-24 Timothy Gregg Huggins Lightweight, portable cooking stove
US20090314273A1 (en) * 2004-09-27 2009-12-24 Timothy Gregg Huggins Lightweight, portable cooking stove

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090314274A1 (en) * 2004-09-27 2009-12-24 Timothy Gregg Huggins Lightweight, portable cooking stove
US20090314273A1 (en) * 2004-09-27 2009-12-24 Timothy Gregg Huggins Lightweight, portable cooking stove
US8701650B2 (en) 2004-09-27 2014-04-22 Timothy Gregg Huggins Lightweight, portable cooking stove

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